Cisco ASA 5505 Configuration Manual page 1617

Chapter 71 Configuring Logging
Configuring Logging Flash Usage
To specify the limits for saving log buffer content to internal flash memory, perform the following steps:
Step 1 In the Maximum Flash to Be Used by Logging field, specify the maximum amount of internal flash
memory that can be used for logging (in KB).
Step 2 In the Minimum Free Space to Be Preserved field, specify the amount of internal flash memory that is
preserved (in KB). When the internal flash memory approaches that limit, new logs are no longer saved.
Step 3 Click OK to close this dialog box.
Configuring Syslog Messaging
To configure syslog messaging, perform the following steps:
Choose Configuration > Device Management > Logging > Syslog Setup.
Step 1
From the Facility code to include in syslogs drop-down list, choose a system log facility for syslog
Step 2
servers to use as a basis to file messages. The default is LOCAL(4)20, which is what most UNIX systems
expect. However, because your network devices share eight available facilities, you might need to change
this value for system logs.
Step 3 To add the date and time in each syslog message sent, check the Include timestamp in syslogs check
box.
Step 4 From the Show drop-down list, choose the information to be displayed in the Syslog ID table. Available
options are as follows:
•
•
•
•
The Syslog ID Setup Table displays the list of syslog messages based on the setting in the Syslog ID
Step 5
Setup Table. Choose individual messages or ranges of message IDs that you want to modify. You can
either disable the selected message IDs or modify their severity levels. To select more than one message
ID in the list, click the first ID in the range and Shift-click the last ID in the range.
To configure syslog messages to include a device ID, click Advanced. For more information, see the
Step 6
"Editing Syslog ID Settings" section on page 71-10
Formatted Syslog Messages" section on page
OL-20339-01
To specify that the Syslog ID table should display the entire list of syslog message IDs, choose Show
all syslog IDs.
To specify that the Syslog ID table should display only those syslog message IDs that have been
explicitly disabled, choose Show disabled syslog IDs.
To specify that the Syslog ID table should display only those syslog message IDs with severity levels
that have changed from their default values, choose Show syslog IDs with changed logging.
To specify that the Syslog ID table should display only those syslog message IDs with severity levels
that have been modified and the IDs of syslog messages that have been explicitly disabled, choose
Show syslog IDs that are disabled or with a changed logging level.
and the "Including a Device ID in Non-EMBLEM
71-10.
Cisco ASA 5500 Series Configuration Guide using ASDM
Configuring Logging
71-9